diff --git a/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs b/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
index 7ffb8c5..85a62ee 100644
--- a/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
+++ b/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
@@ -22,6 +22,8 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
 using NLog;
 using PinMame;
 using UnityEngine;
@@ -223,7 +225,7 @@ private void OnDestroy()
 			_dmdLevels.Clear();
 		}
 
-		public void OnInit(Player player, TableApi tableApi, BallManager ballManager)
+		public Task OnInit(Player player, TableApi tableApi, BallManager ballManager, CancellationToken ct)
 		{
 			string vpmPath = null;
 			_ballManager = ballManager;
@@ -284,6 +286,8 @@ public void OnInit(Player player, TableApi tableApi, BallManager ballManager)
 			} catch (Exception e) {
 				Logger.Error(e);
 			}
+
+			return Task.CompletedTask;
 		}
 
 		public void ToggleSpeed()